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<pre><code class="lang-java">&#x8BF4;&#x660E;&#xFF1A;&#x5982;&#x679C;&#x9884;&#x8BA1;&#x4E09;&#x5E74;&#x540E;&#x7684;&#x6570;&#x636E;&#x91CF;&#x6839;&#x672C;&#x8FBE;&#x4E0D;&#x5230;&#x8FD9;&#x4E2A;&#x7EA7;&#x522B;&#xFF0C;&#x8BF7;&#x4E0D;&#x8981;&#x5728;&#x521B;&#x5EFA;&#x8868;&#x65F6;&#x5C31;&#x5206;&#x5E93;&#x5206;&#x8868;&#x3002;
&#x65B9;&#x5F0F; &#x5782;&#x76F4;/&#x6C34;&#x5E73;
&#x5206;&#x5E93;&#x5206;&#x8868;&#x5E26;&#x6765;&#x7684;&#x95EE;&#x9898;
&#x7EF4;&#x62A4;&#x6210;&#x672C;
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&#x5206;&#x5E03;&#x5F0F;&#x5168;&#x5C40;&#x552F;&#x4E00;id

jdbc&#x5E94;&#x7528;&#x5C42;   &#x6027;&#x80FD;&#x597D;,&#x8DE8;&#x6570;&#x636E;&#x5E93;,&#x4E0D;&#x652F;&#x6301;&#x8DE8;&#x8BED;&#x8A00;
  shardingphere&#x3001;tddl
proxy&#x4EE3;&#x7406;&#x5C42;  &#x5F00;&#x53D1;&#x65E0;&#x611F;&#x77E5;,&#x652F;&#x6301;&#x8DE8;&#x8BED;&#x8A00;,&#x4E0D;&#x652F;&#x6301;&#x8DE8;&#x6570;&#x636E;&#x5E93;
  mycat&#x3001;atals
</code></pre>
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<p>&#x3010;&#x5F3A;&#x5236;&#x3011;&#x8D85;&#x8FC7;&#x4E09;&#x4E2A;&#x8868;&#x7981;&#x6B62; join&#x3002;&#x9700;&#x8981; join &#x7684;&#x5B57;&#x6BB5;&#xFF0C;&#x6570;&#x636E;&#x7C7B;&#x578B;&#x4FDD;&#x6301;&#x7EDD;&#x5BF9;&#x4E00;&#x81F4;&#xFF1B;&#x591A;&#x8868;&#x5173;&#x8054;&#x67E5;&#x8BE2;&#x65F6;&#xFF0C;</p>
<p>&#x4FDD;&#x8BC1;&#x88AB;&#x5173;&#x8054;&#x7684;&#x5B57;&#x6BB5;&#x9700;&#x8981;&#x6709;&#x7D22;&#x5F15; </p>
</blockquote>
<pre><code class="lang-sql">&#x8BF4;&#x660E;&#xFF1A;&#x5373;&#x4F7F;&#x53CC;&#x8868; join &#x4E5F;&#x8981;&#x6CE8;&#x610F;&#x8868;&#x7D22;&#x5F15;&#x3001;SQL &#x6027;&#x80FD;&#x3002;
&#x65B9;&#x6848;&#xFF1A;&#x5E94;&#x7528;&#x5C42;join,&#x67E5;&#x8BE2;id&#x4F5C;&#x4E3A;&#x53E6;&#x4E00;&#x4E2A;sql&#x7684;&#x53C2;&#x6570;;&#x53C2;&#x6570;&#x5197;&#x4F59;,&#x5173;&#x8054;id&#x548C;&#x5173;&#x8054;&#x540D;&#x79F0;
</code></pre>
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<p><strong>&#x6570;&#x636E;&#x5904;&#x7406;&#x5927;&#x81F4;&#x53EF;&#x4EE5;&#x5206;&#x6210;&#x4E24;&#x5927;&#x7C7B;</strong></p>
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<pre><code class="lang-sql">&#x8054;&#x673A;&#x4E8B;&#x52A1;&#x5904;&#x7406;OLTP&#xFF08;on-line transaction processing&#xFF09;&#x3001;&#x8054;&#x673A;&#x5206;&#x6790;&#x5904;&#x7406;OLAP&#xFF08;On-Line Analytical Processing&#xFF09;&#x3002;
OLTP&#x662F;&#x4F20;&#x7EDF;&#x7684;&#x5173;&#x7CFB;&#x578B;&#x6570;&#x636E;&#x5E93;&#x7684;&#x4E3B;&#x8981;&#x5E94;&#x7528;&#xFF0C;&#x4E3B;&#x8981;&#x662F;&#x57FA;&#x672C;&#x7684;&#x3001;&#x65E5;&#x5E38;&#x7684;&#x4E8B;&#x52A1;&#x5904;&#x7406;&#xFF0C;&#x4F8B;&#x5982;&#x94F6;&#x884C;&#x4EA4;&#x6613;&#x3002;OLAP&#x662F;&#x6570;&#x636E;&#x4ED3;&#x5E93;&#x7CFB;&#x7EDF;&#x7684;&#x4E3B;&#x8981;&#x5E94;&#x7528;&#xFF0C;
&#x652F;&#x6301;&#x590D;&#x6742;&#x7684;&#x5206;&#x6790;&#x64CD;&#x4F5C;&#xFF0C;&#x4FA7;&#x91CD;&#x51B3;&#x7B56;&#x652F;&#x6301;&#xFF0C;&#x5E76;&#x4E14;&#x63D0;&#x4F9B;&#x76F4;&#x89C2;&#x6613;&#x61C2;&#x7684;&#x67E5;&#x8BE2;&#x7ED3;&#x679C;&#x3002; 

OLTP &#x7CFB;&#x7EDF;&#x5F3A;&#x8C03;&#x6570;&#x636E;&#x5E93;&#x5185;&#x5B58;&#x6548;&#x7387;&#xFF0C;&#x5F3A;&#x8C03;&#x5185;&#x5B58;&#x5404;&#x79CD;&#x6307;&#x6807;&#x7684;&#x547D;&#x4EE4;&#x7387;&#xFF0C;&#x5F3A;&#x8C03;&#x7ED1;&#x5B9A;&#x53D8;&#x91CF;&#xFF0C;&#x5F3A;&#x8C03;&#x5E76;&#x53D1;&#x64CD;&#x4F5C;&#xFF1B;
OLAP &#x7CFB;&#x7EDF;&#x5219;&#x5F3A;&#x8C03;&#x6570;&#x636E;&#x5206;&#x6790;&#xFF0C;&#x5F3A;&#x8C03;SQL&#x6267;&#x884C;&#x5E02;&#x573A;&#xFF0C;&#x5F3A;&#x8C03;&#x78C1;&#x76D8;I/O&#xFF0C;&#x5F3A;&#x8C03;&#x5206;&#x533A;&#x7B49;&#x3002;
</code></pre>
<p><strong>OLTP&#x4E0E;OLAP&#x4E4B;&#x95F4;&#x7684;&#x6BD4;&#x8F83;&#xFF1A; </strong></p>
<p><img src="../picture/1354896501_9646.jpg" alt="img"></p>
<blockquote>
<p><strong>&#x3010;&#x5F3A;&#x5236;&#x3011;&#x9875;&#x9762;&#x641C;&#x7D22;&#x4E25;&#x7981;&#x5DE6;&#x6A21;&#x7CCA;&#x6216;&#x8005;&#x5168;&#x6A21;&#x7CCA;&#xFF0C;&#x5982;&#x679C;&#x9700;&#x8981;&#x8BF7;&#x8D70;&#x641C;&#x7D22;&#x5F15;&#x64CE;&#x6765;&#x89E3;&#x51B3;&#x3002;</strong></p>
</blockquote>
<pre><code class="lang-sql">&#x8BF4;&#x660E;&#xFF1A;&#x7D22;&#x5F15;&#x6587;&#x4EF6;&#x5177;&#x6709; B-Tree &#x7684;&#x6700;&#x5DE6;&#x524D;&#x7F00;&#x5339;&#x914D;&#x7279;&#x6027;&#xFF0C;&#x5982;&#x679C;&#x5DE6;&#x8FB9;&#x7684;&#x503C;&#x672A;&#x786E;&#x5B9A;&#xFF0C;&#x90A3;&#x4E48;&#x65E0;&#x6CD5;&#x4F7F;&#x7528;&#x6B64;&#x7D22;&#x5F15;&#x3002;
</code></pre>
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<h2 id="sqlserver">sqlserver</h2>
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<pre><code class="lang-sql">&#x7D22;&#x5F15;&#x8BBE;&#x8BA1;
&#x6839;&#x636E;&#x4F7F;&#x7528;&#x9891;&#x7387;&#x51B3;&#x5B9A;&#x54EA;&#x4E9B;&#x5B57;&#x6BB5;&#x9700;&#x8981;&#x5EFA;&#x7ACB;&#x7D22;&#x5F15;&#xFF0C;&#x9009;&#x62E9;&#x7ECF;&#x5E38;&#x4F5C;&#x4E3A;&#x8FDE;&#x63A5;&#x6761;&#x4EF6;&#x3001;&#x7B5B;&#x9009;&#x6761;&#x4EF6;&#x3001;&#x805A;&#x5408;&#x67E5;&#x8BE2;&#x3001;&#x6392;&#x5E8F;&#x7684;&#x5B57;&#x6BB5;&#x4F5C;&#x4E3A;&#x7D22;&#x5F15;&#x7684;&#x5019;&#x9009;&#x5B57;&#x6BB5;
&#x628A;&#x7ECF;&#x5E38;&#x4E00;&#x8D77;&#x51FA;&#x73B0;&#x7684;&#x5B57;&#x6BB5;&#x7EC4;&#x5408;&#x5728;&#x4E00;&#x8D77;&#xFF0C;&#x7EC4;&#x6210;&#x7EC4;&#x5408;&#x7D22;&#x5F15;&#xFF0C;&#x7EC4;&#x5408;&#x7D22;&#x5F15;&#x7684;&#x5B57;&#x6BB5;&#x987A;&#x5E8F;&#x4E0E;&#x4E3B;&#x952E;&#x4E00;&#x6837;&#xFF0C;&#x4E5F;&#x9700;&#x8981;&#x628A;&#x6700;&#x5E38;&#x7528;&#x7684;&#x5B57;&#x6BB5;&#x653E;&#x5728;&#x524D;&#x9762;&#xFF0C;&#x628A;&#x91CD;&#x590D;&#x7387;&#x4F4E;&#x7684;&#x5B57;&#x6BB5;&#x653E;&#x5728;&#x524D;&#x9762;
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